Year Dollars 1992-01-01 673229 1997-01-01 7180344 2002-01-01 8229494 2003-01-01 6569135 2004-01-01 8455944 2005-01-01 12064073 2006-01-01 12577361 2007-01-01 10904895 2008-01-01 11371002 2009-01-01 8026409 2010-01-01 9028495 2011-01-01 9529993 2012-01-01 13358181 2013-01-01 18035679 2014-01-01 25091648 2015-01-01 18191092 2016-01-01 10700032